Home / 121,273,485.20-181,910,227.80-60,667,341.20

Finding the Fourth Proportional to 121,273,485.20, 181,910,227.80 and 60,667,341.20

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Solution

The fourth proportional to 121,273,485.20, 181,910,227.80 and 60,667,341.20 is: 91,001,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,273,485.20 : 181,910,227.80 = 60,667,341.20 : x
  2. Step 2: Convert to fraction form
    121,273,485.20/181,910,227.80 = 60,667,341.20/x
  3. Step 3: Cross multiply
    121,273,485.20x = 181,910,227.80 × 60,667,341.20
  4. Step 4: Simplify right side
    121,273,485.20x = 11,036,009,857,712,326
  5. Step 5: Solve for x
    x = 11,036,009,857,712,326/121,273,485.20
  6. Step 6: Final answer
    x = 91,001,011.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.